Welcome to 911UK
The only place for Porsche, 911uk is the definitive enthusiast and resource site for the Porsche 911.
Registration is fast, simple and absolutely free, so join up today for full access to the site and benefit from latest member offers.

Porsche Classifieds
Sell Your Porsche on 911uk
Create a Free Classified Advert
Search Ads
Classified Adverts FAQ
Trade Classified Information
Buyer & Seller Fraud Protection
Consumer Rights Act
Pre Purchase Inspection (PPI)
Porsche Car Sourcing
Porsche Cars Wanted
Official Porsche Centre Reviews
Model
Stock
Porsche 911
992 : 2019- 0
991 : 2011- 24
997 : 2004- 67
996 : 1997-2005 34
993 : 1993-1998 4
964 : 1989-1993 2
Carrera 3.2 : 1983-1989 2
Carrera SC : 1977-1983 2
930 Turbo : 1975-1989 1
Early 911 : 1964-1977 1
Porsche Other Models
Classic : 1950-1965 0
Boxster : 1997- 30
Cayman : 2005- 21
Cayenne : 2003- 7
Macan : 2014- 6
Panamera : 2009- 0
912-914-924-928-944-968 1
959 - CarreraGT - RaceCar 0
Car Parts For Sale & Wanted
Other Items For Sale & Wanted
Wheels Tyres For Sale & Wanted
Number Plates For Sale Wanted

Porsche Services
Porsche Body Shop Repair
Paint Protection & Wrapping
Porsche Classic Insurance
Porsche Classic Parts
Porsche Classic Restoration
Porsche Design Collection
Porsche Engine Gearbox Rebuild
Porsche Heritage & History
Porsche News
Porsche Picture Gallery
Win a New Porsche 911

Porsche Parts
Body Parts, Body Styling
Brakes, Clearance
Electrical, Exhausts
Engine Cooling, Engine Electrical
Engine Rebuild, Heating Cooling
Interior Incar, Lighting
Rubber Seals, Service Parts
Steering, Suspension
Transmission, Workshop Tools
Early 911, 911 - 930, 928 - 968
964 - 993, 996 - 997, Boxster
Cayman, Cayenne, Panamera

Porsche Model Range
911 [992] 2018-Current
Porsche 911 [992]
911 [991] 2011-2019
Porsche 911 [991]
911 [997] 2004-2012
Porsche 911 [997]
911 [GT] GT1-GT2-GT3
Porsche 911 [GT]
911 [996] 1997-2005
Porsche 911 [996]
911 [993] 1993-1998
Porsche 911 [993]
911 [RS] RS-RSR
Porsche 911 [RS]
911 [964] 1989-1993
Porsche 911 [964]
911 3.2 1983-1989
Porsche 911 3.2 Carrera
911 SC 1977-1983
Porsche 911 SC
911 [Early] 1964-1977
Porsche 911 [Early]
Boxster & Cayman
Porsche Boxster & Cayman
Cayenne & Panamera
Porsche Cayenne & Panamera

911uk Site Partners

Post new topic   Reply to topic
Author Message
addavies
Newbie


Joined: 21 Mar 2016
Posts: 16
Location: Solihull


PostPosted: Wed Nov 06, 2019 1:36 pm    Post subject: Fault Code P1090 Reply with quote

In need of a bit of guidance on a fault code that has started following a major service and gearbox oil change. I've started to notice some hesitation when accelerating from low revs.

The OBD2 screenshots are below:

I suspect something is not right with the MAF sensor looking at the data???

Any advice welcome Thumb
_________________
2007 997 C2S Cobalt Blue
 



1_191106010615.jpg
 Description:
 Filesize:  711.76 KB
 Viewed:  501 Time(s)

1_191106010615.jpg



3_191106010709.jpg
 Description:
 Filesize:  729.21 KB
 Viewed:  501 Time(s)

3_191106010709.jpg



2_191106010701.jpg
 Description:
 Filesize:  646.39 KB
 Viewed:  501 Time(s)

2_191106010701.jpg


  
View user's profile Send private message
   
deMort
Dijon


Joined: 21 Mar 2015
Posts: 7581
Location: Brighton


PostPosted: Wed Nov 06, 2019 7:23 pm    Post subject: Reply with quote

Might want to check they have plugged the maf sensor wiring back on as it doesn't sound like it .

Fault code is for a dead maf ..

The readings you have posted .. if they are with the engine running then the maf is certainly dead.

Air intake at -40 is a default non registering maf ..

Maf at 0 grams per sec is also a non registering maf .
_________________
.

My Daughter's Crowdfunding has hit the target .

Thank you all so Very much .

She's not going until july 2020 though .



Mechanic

7pm - 9pm

Now At An Indy.
 
  
View user's profile Send private message
   
addavies
Newbie


Joined: 21 Mar 2016
Posts: 16
Location: Solihull


PostPosted: Wed Nov 06, 2019 8:37 pm    Post subject: Reply with quote

Spot on diagnosis as usual deMort. Found MAF unplugged plus another cable and what I think is a vacuum pipe? Plugged the 2 cables back in and all is fine. Not sure where the black pipe connects though.

It looks like all the cables were unplugged for the belt change that I forgot to mention was done. The air filter was untouched as I've got a BMC one.
_________________
2007 997 C2S Cobalt Blue
 



IMG_20191106_200722.jpg
 Description:
 Filesize:  280.32 KB
 Viewed:  434 Time(s)

IMG_20191106_200722.jpg


  
View user's profile Send private message
   
deMort
Dijon


Joined: 21 Mar 2015
Posts: 7581
Location: Brighton


PostPosted: Wed Nov 06, 2019 8:40 pm    Post subject: Reply with quote

Yup .. airbox is removed for a drive belt change and they forgot to plug it back in ..

Easy mistake to make so don't blame them too much .. we are after all only human .

EDIT ..

Black pipe goes into a rubber elbow on that grey electric valve ... its to do with sound i believe .. never really taken much notice of it to be honest as it does not cause a fault .
_________________
.

My Daughter's Crowdfunding has hit the target .

Thank you all so Very much .

She's not going until july 2020 though .



Mechanic

7pm - 9pm

Now At An Indy.
 
  
View user's profile Send private message
   
Display posts from previous:   
Post new topic   Reply to topic   All times are GMT - 12 Hours
Page 1 of 1

 
Jump to:  

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum
You can attach files in this forum
You can download files in this forum
You cannot post calendar events in this forum